The Democratic-led Senate voted 50-49 to begin debate on the Democrats' partisan $3.5 trillion budget reconciliation proposal on Tuesday.
Republican Sen. Mike Rounds of South Dakota missed the vote. Rounds also missed Tuesday's vote on the $1.2 trillion infrastructure bill.
Democratic Sens. Joe Manchin of West Virginia and Kyrsten Sinema of Arizona voted in favor of beginning debate on the massive budget proposal.
It would also establish a "universal pre-K" program for 3 and 4 year olds and a "new child care benefit for working families." The legislation also includes making "community college tuition-free for 2 years" and creates a new Civilian Climate Corps.
South Carolina Republican Sen. Lindsey Graham said on the Senate floor after the vote that the reconciliation bill will cost $4.2 trillion if fully implemented.